How radios send and receive information can seem magical to the uninformed. For some people, this week’s Retrotechtacular video, “Frequency Modulation – Part 1 Basic Principles”, from the US Army ...

Amplitude modulation (AM) is by far the oldest form of modulation known. The first broadcast stations were AM, but even earlier, CW or continuous-wave signals with Morse code were a form of AM.

Two years ago, in my home state of Kentucky, we had a devastating tornado that traveled nearly 200 miles, leveled towns, killed scores of people, and left widespread devastation. When emergency ...

ATLANTA – Seeking reliable backup communication in a crisis, emergency managers are finding new solutions in an old technology: ham radio. “It’s just another avenue, another opportunity for us to be ...

Radios and walkie-talkies may seem like relics from your childhood, but nothing can quite compare to the convenience and simplicity of a pair of two-way radios. The freedom from reliance on a cellular ...

Saginaw resident and self-professed "Ham" Fred Kleinfeld spent a large chunk of his Saturday selling boxes of miscellaneous coax cable, generators, terminal strips and a tableful of other am radio ...

Since the discovery that some USB TV tuner dongles could be used to monitor radio waves across a huge amount of spectrum, the software-defined radio world has exploded with interest. The one limiting ...

BRISTOL, TENN (WCYB) — Ham radio operators across the country spent the weekend off the grid, participating in Field Day, an event designed to test their skills in emergency communication scenarios.